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Start free with EleplanCongenital genu recurvatum
ORPHA:295229Clinical subtype
What it is
A rare congenital knee dislocation characterized by hyperextension of the knee greater than 0° associated with limited flexion, with prominence of the femoral condyles in the popliteal fossa and increased transverse skin folds over the anterior surface of the knee. It can be unilateral or bilateral and may occur as an isolated malformation, be associated with other orthopedic abnormalities (like developmental dysplasia of the hip or clubfoot) or be part of a syndrome (e. g. Larsen's syndrome).
Key facts
- Classified as
- Clinical subtype
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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